Daily Sunspot Evaluation
Observation Sheet Tuesday, 15 April 2003
There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →
- Number of groups (g)
- 3
- Number of spots (f)
- 8
- Relative number (R)
- 38
- Observer
- ıH
- Reading
- all checks consistent
- File
- 20030415.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 8 | 78W | 84 | 79W | ? | 83 |
| 2 | HS – 5 | -8 | 10E | 356 | 09E | ~3 | 89 |
| 3 | HA – 2 | -21 | 36E | 330 | 35E | 1.5 | 90 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.